PRICING AGREEMENT

Exhibit 1.2

PRICING AGREEMENT

August 4, 2017

Merrill Lynch International

2 King Edward Street

London EC1A 1HQ

United Kingdom

MUFG Securities EMEA plc

Ropemaker Place

25 Ropemaker Street

London EC2Y 9AJ

United Kingdom

SMBC Nikko Securities America, Inc.

277 Park Avenue

New York, New York 10172

Citigroup Global Markets Limited

Citigroup Centre

Canada Square

Canary Wharf

London E14 5LB

United Kingdom

Ladies and Gentlemen:

Corning Incorporated, a New York corporation (the “Company”), proposes, subject to the terms and conditions stated herein and in the Underwriting Agreement, dated August 4, 2017 (the “Underwriting Agreement”), to issue and sell to the Underwriters named in Schedule I hereto (the “Underwriters”) the Securities specified in Schedule II-A, Schedule II-B and Schedule II-C hereto (the “Designated Securities” ). Each of the provisions of the Underwriting Agreement is incorporated herein by reference in its entirety, and shall be deemed to be a part of this Agreement to the same extent as if such provisions had been set forth in full herein; and each of the representations and warranties set forth therein shall be deemed to have been made at and as of the date of this Pricing Agreement, except that each representation and warranty that refers to the Pricing Disclosure Package or the Prospectus in Section 2 of the Underwriting Agreement shall be deemed to be a representation or warranty as of the date of the Underwriting Agreement in relation to the Pricing Disclosure Package or Prospectus, and also a representation and warranty as of the date of this Pricing Agreement in relation to the Pricing Disclosure Package or the Prospectus as amended or supplemented relating to the Designated Securities which are the subject of this Pricing Agreement. Each reference to the Representatives herein and in the provisions of the Underwriting Agreement so incorporated by reference shall be deemed to refer to you. Unless otherwise defined herein, terms defined in the Underwriting Agreement are used herein as therein defined. The Representatives designated to act on behalf of the Representatives and on behalf of each of the Underwriters of the Designated Securities pursuant to Section 13 of the Underwriting Agreement and the address of the Representatives referred to in such Section 13 are set forth at the end of Schedule II hereto.

An amendment to the Registration Statement, or a supplement to the Prospectus, as the case may be, relating to the Designated Securities, in the form heretofore delivered to you is now proposed to be filed with the Commission.

Subject to the terms and conditions set forth herein and in the Underwriting Agreement incorporated herein by reference, the Company agrees to issue and sell to the Underwriters, and the Underwriters agree to purchase from the Company, severally and not jointly, at the time and place and at the purchase price to the Underwriters set forth in Schedule II-A, Schedule II-B and Schedule II-C hereto, as applicable, the principal amount of Securities set forth opposite the name of such Underwriters in Schedule I hereto.

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If the foregoing is in accordance with your understanding, please sign and return to us four counterparts hereof, and upon acceptance hereof by you, this letter and such acceptance hereof, including the provisions of the Underwriting Agreement incorporated herein by reference, shall constitute a binding agreement between you and the Company.

SCHEDULE I

I-1

SCHEDULE II-A

II-1

II-2

SCHEDULE II-B

II-3

II-4

SCHEDULE II-C

II-5

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SCHEDULE III

Documents in Pricing Disclosure Package:

(a) Issuer Free Writing Prospectus:

(b) Additional Information in Pricing Disclosure Package:

None.

(c) Additional Documents Incorporated by Reference:

None.

Additional Issuer Free Writing Prospectus Not in Pricing Disclosure Package:

Roadshow Presentation relating to the Company and Designated Securities, released July 31, 2017

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SCHEDULE IV

Filed Pursuant to Rule 433

Registration No. 333-201584

Supplementing the Preliminary Prospectus

Supplement dated July 28, 2017

(To a Prospectus dated January 16, 2015)

PRICING TERM SHEET

August 4, 2017

0.698% Notes due 2024

0.992% Notes due 2027

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1.583% Notes due 2037

The 2024 Notes, the 2027 Notes and the 2037 Notes are being offered separately, and are not part of a unit. The closing of each series of notes is not conditioned on the closing of any other series of notes.

The issuer has filed a registration statement (including a prospectus and the preliminary prospectus supplement relating to the securities described above) with the SEC for the offering to which this communication relates. Before you invest, you should read the prospectus and the preliminary prospectus supplement relating to the securities described above in that registration statement and other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the

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offering will arrange to send you the prospectus if you request it by calling Merrill Lynch International at ###-###-#### (toll free), MUFG Securities EMEA plc at +44-20-7577-2206 or by calling SMBC Nikko Securities America, Inc. at ###-###-####.

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